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Finding the Fourth Proportional to 7,502.05, 10,351.90 and 4,477.17

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Solution

The fourth proportional to 7,502.05, 10,351.90 and 4,477.17 is: 6,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.05 : 10,351.90 = 4,477.17 : x
  2. Step 2: Convert to fraction form
    7,502.05/10,351.90 = 4,477.17/x
  3. Step 3: Cross multiply
    7,502.05x = 10,351.90 × 4,477.17
  4. Step 4: Simplify right side
    7,502.05x = 46,347,260.54
  5. Step 5: Solve for x
    x = 46,347,260.54/7,502.05
  6. Step 6: Final answer
    x = 6,177.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.